== sanity test 124b: lru resize (performance test) ================================================================================= 17:55:27 (1788472527)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 736 (time 1788472541.77 total 10.00 last 73.60)
 - open/close 1446 (time 1788472551.79 total 20.01 last 70.90)
 - open/close 2157 (time 1788472561.81 total 30.03 last 70.96)
 - open/close 2872 (time 1788472571.81 total 40.04 last 71.48)
 - open/close 3518 (time 1788472581.82 total 50.05 last 64.51)
 - open/close 4246 (time 1788472591.83 total 60.06 last 72.72)
 - open/close 4967 (time 1788472601.85 total 70.07 last 72.01)
 - open/close 5637 (time 1788472611.85 total 80.08 last 66.96)
 - open/close 6381 (time 1788472621.88 total 90.10 last 74.21)
 - open/close 7012 (time 1788472631.89 total 100.12 last 63.00)
 - open/close 7683 (time 1788472641.90 total 110.13 last 67.05)
total: 8000 open/close in 114.74 seconds: 69.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 158 seconds
lru_size = 400
 - unlinked 0 (time 1788472815 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 734 (time 1788472947.65 total 10.00 last 73.38)
 - open/close 1462 (time 1788472957.66 total 20.02 last 72.68)
 - open/close 2119 (time 1788472967.66 total 30.02 last 65.69)
 - open/close 2838 (time 1788472977.67 total 40.02 last 71.89)
 - open/close 3547 (time 1788472987.67 total 50.02 last 70.88)
 - open/close 4274 (time 1788472997.68 total 60.03 last 72.62)
 - open/close 5042 (time 1788473007.70 total 70.05 last 76.66)
 - open/close 5754 (time 1788473017.71 total 80.06 last 71.12)
 - open/close 6497 (time 1788473027.72 total 90.07 last 74.22)
 - open/close 7106 (time 1788473037.73 total 100.08 last 60.86)
 - open/close 7817 (time 1788473047.73 total 110.08 last 71.09)
total: 8000 open/close in 112.57 seconds: 71.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788473166 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second